title: Virulence to mice of Staphylococcus pyogenes: its measurement and its relation to certain in vitro properties.
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D051379:Mice; D008837:Micrococcus; D013210:Staphylococcus; D013211:Staphylococcus aureus; D014774:Virulence
keywords: MICROCOCCUS PYOGENES